ArticleExperimental cell research2013
Parathyroid hormone-related protein regulates integrin α6 and β4 levels via transcriptional and post-translational pathways.
Article in Experimental cell research, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed, 12 citations in OpenAlex.
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- The Molecular Biology of Placental Transport of Calcium to the Human Foetus.International journal of molecular sciences · 2025Review
- Aspartame carcinogenic potential revealed through network toxicology and molecular docking insights.Scientific reports · 2024Article
- The mechanism of ITGB4 in tumor migration and invasion.Frontiers in oncology · 2024Review
- Prostate-Specific Membrane Antigen (PSMA) Promotes Angiogenesis of Glioblastoma Through Interacting With ITGB4 and Regulating NF-κB Signaling Pathway.Frontiers in cell and developmental biology · 2021Article
- The MET/Vascular Endothelial Growth Factor Receptor (VEGFR)-targeted Tyrosine Kinase Inhibitor Also Attenuates FMS-dependent Osteoclast Differentiation and Bone Destruction Induced by Prostate Cancer.The Journal of biological chemistry · 2016Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
Parathyroid hormone-related protein (PTHrP) enhances prostate cancer (CaP) growth and metastasis in vivo. PTHrP also increases cell survival and migration, and upregulates pro-invasive integrin α6β4 expression. We used the human CaP cell lines C4-2 and PC-3 as model systems to study the mechanisms via which PTHrP regulates α6β4 levels. We report that PTHrP regulates α6 and β4 levels via a transcriptional pathway; β4 regulation involves the NF-κB pathway. PTHrP also regulates β4 levels at the post-translational level. PTHrP inhibits caspase-3 and -7 activities. Post-translational regulation of β4 by PTHrP is mediated via attenuation of its proteolytic cleavage by these caspases. Since α6 dimerizes with β4, increased β4 levels result in elevated α6 levels. Suppressing β4 using siRNA attenuates the effect of caspase inhibition on apoptosis and cell migration. These results provide evidence of a link between PTHrP, integrin α6β4 levels as a function of caspase activity, and cell survival and migration. Targeting PTHrP in CaP cancer, thereby reversing the effect on caspase activity and α6β4 levels, may thus prove therapeutically beneficial.
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What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.